Cooking-stove



1. T. DAVY.

Cook Stov.V

' Patented 0ct'ober9, 18.4.7.

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JNO. T. DAVY, OF TROY, NEW YORK.

COOKING-STOVE.

Specification of Letters Patent No. 5,324, dated October 9, 1847'.

To all whom it may concern:

Be itlknown that I, JOHN T. DAvY, of Troy, in the county of Rensselaer and State of New York, have invented new and useful Improvements in Cooking-Stoves, and that the following is a full, clear, and exact description of the principle orV character' which distinguishes them from all other things be-l fore known and of the manner of making,

constructing, and using the same,`reference being had to the accompanying drawing, making part of this specification, in which- Figure l is an isometrical view of the stove with one side removed, Fig. 2 a vertical section, and Fig. 3 a horizontal section of a part of the stove taken at the liner of Fig. 2.

The general construction of the outside o-f my improved stove and the varrangement of the Hues are like the one I formerly patented, in which I make the following improvements: The'hearth plate (a) or top of the summer arrangement has a valve or damper (c), in the inclined piece (b), which forms a part of the Hue that conducts olf the smoke. This damper serves to regulate the draft by admitting any quantity of air into the Hue over the lower fire, which also serves to increase the draft to the upper Hre chamber so that by it both fires can be regulated. To facilitate this, the smoke from the lower Hre is made to pass under the grate of Hre chamber (d), and up behind it. This is effected by forming a Hue behind said chamber (d) and between it and the plate (f) of a return Hue hereafter named; in this Hue (7) the air is rareHed by the heat from' the upper fire, so as to cause sufficient draft to carry off the smoke from the lower fire, as it would be diHicult t0.

create a suiiicient draft otherwise in the' lower Hre when the upper Hre chamber was' Hlled with coal. This Hue (f) joins the Hue (g) that runs from the upper Hre horizontally to the back of the stove where it connects with a descending Hue (g) that is divided at that point by a Hue (h) which crosses it to enter the pipe (p). There is a damper or valve `at this junction that when open permits a direct exit for the smoke and heat to the pipe (p) from the Hue (g) without its passing kdown through Huey (g) around the oven; when this is closed the smoke descends the Hue (g) on each side of the Hue'UL) as abovenamed, passes around under the, oven to the front thereof and thence-up the front tothe ash pit of the upper fire chamber, and thence follows the shapeof the top of the oven under the Hues (f) and (g) to the backofl the stove, where it crosses the Hue (g) into the pipe ('p)`at (it).

In the 'back plate of the oven there is a row of holes (le) near kthe top,constituting a ventilator for the oven, which can be closed by a damper if necessary; outside this plate there is another plate parallel withit,

that has its top edge curved in so as to touch it just above the holes-this last named plate terminates nearthe bottom of the back plate of the oven, and'forms a Hue between theoven and back Hue (gf) through which ythe` gases from the oven are drawn` ofi:l with the smoke, ,this Hue formed by plate (m) is 4necessary to Adraw.the gases from the ovenV andprevent the admission of smoke.

What I claim as my inventionand desire l to'secure by Letters yPatent isl. The combination of the Hue (f) tween the fire chamber (d) and the returnV Hue) with the summerfarrangement in the tially as herein described. t

so manner set forth, and constructed'substano 2. I also claim the employment of the Hue d formed by the plate (m) in combination` with the ventilator to the stove oven.

inclined piece connected with the upper and.

3. Lastly I claim the damper (0)'in the lower Hre or summer arrangement for the purposes above described.

Witnesses:

WTLLIAM TALBOT, P. L. JONES.

JOHN T. DA'vY. 

